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Additive Manufacturing
Article . 2024 . Peer-reviewed
License: CC BY
Data sources: Crossref
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
https://doi.org/10.2139/ssrn.4...
Article . 2024 . Peer-reviewed
Data sources: Crossref
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Ductility and Fracture Behavior of Cold Spray Additive Manufactured Zinc

Authors: Huang, C. J.; Chen, Tara; Fu, Bang Long; Zhang, Z.M.; List, A.; Wiehler, L.; Klusemann, Benjamin; +3 Authors

Ductility and Fracture Behavior of Cold Spray Additive Manufactured Zinc

Abstract

Tailoring part strength and ductility in additive manufacturing or repair is vital to successful applications. Therefore, applying cold spray as a deposition technique must be tuned for maximum amounts of well-bonded internal interfaces and sufficient softening of the highly work-hardened deposit. With its low melting temperature, Zinc is an ideal model system for studying phenomena associated with high strain rate deformation and local temperature rise effect, both in single impacts and thick deposits. Despite the low temperatures, Zn single splats already show recrystallization at internal interfaces. The respective amounts scale with increasing process gas temperatures. At higher process temperatures, deposits are almost fully recrystallized. The recrystallization obviously improves bonding at internal and at deposit-substrate interfaces. Under optimum conditions, an ultimate deposit strength of up to 135 MPa and an elongation to failure of 18.4 % are reached, comparable to that of laser-manufactured Zn parts. However, the presence of defects in the form of a high density of high-angle grain boundaries and a certain amount of nonbonded splats interfaces results in a lower ductility than that of bulk Zn. This demonstrates a well-tuned interplay between the minimization of defect densities and softening by recrystallization that would allow for deriving bulk-like properties of cold sprayed material without additional post-treatments. Correlations between simulation and experimental results of microstructures, mechanical properties, and fracture mechanisms supply information about the prerequisites for reaching high ductility.

Keywords

Recrystallized microstructure, /dk/atira/pure/subjectarea/asjc/2200/2204; name=Biomedical Engineering, /dk/atira/pure/subjectarea/asjc/2500; name=Materials Science(all), /dk/atira/pure/subjectarea/asjc/2200/2209; name=Industrial and Manufacturing Engineering, Mechanical properties, /dk/atira/pure/core/keywords/559014392; name=Engineering, /dk/atira/pure/subjectarea/asjc/2200/2201; name=Engineering (miscellaneous), Pure zinc, Impact modeling, Fracture behavior, Cold spray additive manufacturing

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Top 10%
Average
Average
Green
hybrid